# timer_gui.py
from __future__ import annotations
import tkinter as tk
from gui import MainWindow as _MainWindow


class TimerGUI(_MainWindow):
    """
    Keep external import stable: from timer_gui import TimerGUI
    Internally delegate to gui.MainWindow.
    """

    pass


# Optional standalone launcher


def launch() -> None:
    root = tk.Tk()
    _ = TimerGUI(root)
    root.mainloop()
